Century’s best manual charger is back. The K3154-1 provides a simple switch operated interface for manual charging of flooded and maintenance free batteries. Rotary Switch simplifies charge/start selection. Charges 6 & 12V maintenance free, conventional wet, deep cycle, AGM, and gel batteries used in cars, trucks, farm equipment, RV, boats and commercial applications. 12V Manual settings allow charging deeply discharged 12V batteries that many automatic chargers cannot. Low 2 amp setting is ideal for charging 12 volt motorcycle and lawn mower batteries and slow charge to equalize cells. 10 amp high, 2 amp low 12V Manual charge settings & 10 amp high 6V Manual charge setting for versatility. Ammeter for showing rate of charge. Charges automotive batteries in 2 to 5 hours. Additional features include Heavy duty insulated clamps grip securely on all batteries, Six-foot copper output cables. Great Tools become great sellers because people know they can depend on them to do the job every time. That's why equipment from Century have been top sellers for more than 60 years.